605742645 has 16 divisors (see below), whose sum is σ = 983655360. Its totient is φ = 318240384.

The previous prime is 605742637. The next prime is 605742647. The reversal of 605742645 is 546247506.

It is not a de Polignac number, because 605742645 - 2³ = 605742637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605742647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300360 + ... + 302369.

It is an arithmetic number, because the mean of its divisors is an integer number (61478460).

Almost surely, 2^605742645 is an apocalyptic number.

It is an amenable number.

605742645 is a deficient number, since it is larger than the sum of its proper divisors (377912715).

605742645 is a wasteful number, since it uses less digits than its factorization.

605742645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602804.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 605742645 is about 24611.8395289747. The cubic root of 605742645 is about 846.1149783089.

The spelling of 605742645 in words is "six hundred five million, seven hundred forty-two thousand, six hundred forty-five".